Feature: 1. Protective Case Combo, 45M waterproof upgrade, Hydrophobic coating For full scene. 2. Explore 45M deep ocean, No fear of pressure, Built-in high elasticity waterproof seal, no water penetration under strong pressure. 3. Highly translucent glass reveals true colours With 95% light-transmitting tempered glass, see the colorful underwater world. 4. Drip-free, clear vision, Waterproof coating added to the front of the lens, no dripping or staining to -free 5. Skeleton backdoor for a range of applications, With replaceable backdoor, it's for, non-diving use, and has three advantages Sturdy protection, full of security, The waterproof case is even more protective, made of high-strength PC, which is effectively resistant to , scratches and punctures. Precise alignment, high quality materials, 316 marine grade stainless steel for precise, key alignment and tactile feedback on bare keys. Effective anti-fog, . prevent the problem of fogging due to temperature differences. Material: PC+stainless steel+tempered glass colour: As Shown Package Contents: 1 x camera Waterproof Case 3 x filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.